Home / 158,976,005.20-238,464,007.80-51,281,515.60

Finding the Fourth Proportional to 158,976,005.20, 238,464,007.80 and 51,281,515.60

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Solution

The fourth proportional to 158,976,005.20, 238,464,007.80 and 51,281,515.60 is: 76,922,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976,005.20 : 238,464,007.80 = 51,281,515.60 : x
  2. Step 2: Convert to fraction form
    158,976,005.20/238,464,007.80 = 51,281,515.60/x
  3. Step 3: Cross multiply
    158,976,005.20x = 238,464,007.80 × 51,281,515.60
  4. Step 4: Simplify right side
    158,976,005.20x = 12,228,795,736,034,222
  5. Step 5: Solve for x
    x = 12,228,795,736,034,222/158,976,005.20
  6. Step 6: Final answer
    x = 76,922,273.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.